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A wind-solar-water complementary power generation plan calculation method and system

A technology that complements power generation and computing methods, and is used in computing, information technology support systems, instruments, etc.

Active Publication Date: 2019-05-10
NANJING NARI GROUP CORP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a calculation method and system for wind power and hydropower generation plan, to solve the problem that most wind power and photovoltaic power stations in large watersheds are planned power stations, and multiple power channels of cascade hydropower stations are required In the case of sending out, the calculation problem of the complementary power generation plan of wind, solar and hydropower stations

Method used

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  • A wind-solar-water complementary power generation plan calculation method and system
  • A wind-solar-water complementary power generation plan calculation method and system
  • A wind-solar-water complementary power generation plan calculation method and system

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Embodiment 1

[0093] An embodiment of the present invention is a method for calculating a wind-solar-hydro hybrid power generation plan, see Figure 5 As shown, it specifically includes the following steps:

[0094] Step 1. Collect wind, light, and hydropower information of the wind, solar, and hydroelectric power station groups in the watershed, and obtain the power transmission grid structure in the watershed according to the power transmission direction in the watershed.

[0095] The specific process is:

[0096] 11) Collect wind, light, hydropower resources, power development and utilization and planning information of wind, solar and hydropower station groups in the basin, power grid structure and planning information, including: geographical distribution of established wind power and photovoltaic power stations, technical parameters, grid access, history Operation information; technical parameters of hydropower stations, requirements for power generation operation and comprehensive u...

Embodiment 2

[0196] by figure 1 , figure 2 For example, from upstream to downstream on the main stream of the basin, there are:

[0197] The upstream hydropower station 1-1, hydropower station 1-2, wind farm 1-1, wind farm 1-2, photovoltaic power station 1-1, and photovoltaic power station 1-2; the upstream hydropower station, wind farm, and photovoltaic power station are sent through a power channel ,

[0198] The downstream hydropower station 2-1, hydropower station 2-2, wind farm 2-1, wind farm 2-2, photovoltaic power station 2-1, and photovoltaic power station 2-2. Downstream hydropower stations, wind farms, and photovoltaics are sent through another power channel.

[0199] The logical relationship after generalization is shown in Figure 4 .

[0200] According to the method of the present invention, the calculation steps of wind-solar-water complementary power generation plan are as follows:

[0201] (1) Collect information on the river basins where the above 12 wind, solar and...

Embodiment 3

[0213] Based on the same inventive concept as the above-mentioned method, the present invention also provides a wind-solar-water hybrid power generation plan calculation system, including a structure acquisition module, a model construction module and a power generation plan calculation module;

[0214] The structure acquisition module acquires the power transmission grid structure in the watershed and the topological relationship of the hydropower stations in the watershed;

[0215] The model building module, according to the power transmission grid structure and the topological relationship of hydropower stations, establishes a layered structure covering wind power, photovoltaic and hydropower stations in the watershed, and establishes object models of each layer based on the layered structure;

[0216] The power generation plan calculation module solves the objective function described by the object model of each layer with the goal of maximizing the total power generation o...

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Abstract

The invention relates to the technical field of planning and design of power dispatching systems, in particular to a wind-light-water complementary power generation plan calculation method based on power grid structure and cascade hydropower station hydraulic connection coupling in a mutual compensation operation mode of water power generation, wind power generation and photovoltaic power generation. The method comprises the following steps: establishing a layered structure covering a basin hydropower station, a wind power and photovoltaic physical power station and a power supply set according to a power delivery channel of the wind power, photovoltaic and cascade hydropower stations in the basin; on the basis of the established power station and power supply layered structure, establishing a wind-light-water complementary scheduling model which comprehensively considers a power station sending-out channel in a drainage basin and hydraulic connection between hydropower stations; and solving the models according to a hierarchical coordination method to meet the requirements of the cascade hydropower station and basin wind power and photovoltaic power complementary power generationoperation and plan making oriented to power grid operation.

Description

technical field [0001] The present invention relates to the technical field of power dispatching system planning and design, and specifically relates to a calculation method for wind-solar-hydraulic complementary power generation planning based on grid structure and cascade hydroelectric power connection coupling under the mutual compensation operation mode of hydropower, wind power, and photovoltaic power generation, and also relates to a method Wind-solar-hydro hybrid power generation planning calculation system. Background technique [0002] In order to promote the development and utilization of renewable energy, increase energy supply, and improve energy structure, my country implements an energy development strategy of energy conservation and emission reduction, and prioritizes wind energy, solar energy, water energy and other clean energy for power generation, so as to achieve the purpose of fully utilizing clean energy, and A large-scale development plan for new energy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCY04S10/50
Inventor 赵宇丁理杰赵永龙王亮王峰周开喜王靖沈笛
Owner NANJING NARI GROUP CORP
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